catalog: generate self-contained jar for load tool

Signed-off-by: Pierre-Alexandre Meyer <pierre@ning.com>
REmove non Guicy base test classes from server module
Merge branch 'master' of github.com:killbill/killbill
account: remove bcd UTC

We don't need it anymore now that we're using a reference time to compute
the next notification datetime for invoice.

Signed-off-by: Pierre-Alexandre Meyer <pierre@ning.com>
Merge branch 'master' of github.com:killbill/killbill
Merge branch 'master' into overdue-notifications-fix